; <lemma>
;  <title>ch4_other_file.1</title>
;  <origin>ch4_other_file | f_m1 | INITIALISATION/inv2/INV</origin>
(benchmark ch4_other_file_1
;  <theories>
;    <theory name="linear_order_int"/>
;    <theory name="basic_set"/>
;  </theories>
  :logic AUFLIA
;  <typenv>
;  </typenv>
  :extrafuns ((x Int) (y Int) (z Int))
  :extramacros (
		 (emptyset (lambda (?x 't). false))
		 (range (lambda (?i1 Int) (?i2 Int) .
			  (lambda (?i Int) .
			    (and (<= ?i1 ?i) (<= ?i ?i2)))))
		 )
;  <goal>{} = 1 .. 0</goal>
  :formula
  (not
      (= emptyset (range 1 0))
    )
)
; </lemma>
